"easiest" way is convert the trailer to 6V .... or if there's other electric stuff than lights, add xtra tail lights for 6V to hook to the truck, and set up a deep cycle 12V battery in the trailer with a solar panel/charger for the rest

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics